object BasicForLoopDemo extends App{
  val mathScores: List[Int] = List(85,92,78,90,88,76,95,82,89,79)
  var totalScore = 0
  for (score <- mathScores) {
    totalScore += score
    println(s"处理成绩 : $score, 当前总分 : $totalScore")
  }
  val averageScore = totalScore.toDouble / mathScores.length
  println(s"\n班级数学成绩总分:$totalScore")
  println(f"班级数学成绩平均分: $averageScore%.1f")
}
